package com.atguigu.realtime.gmallpublisher2.service;

import java.math.BigDecimal;
import java.util.Map;

public interface PublisherService {
    Map<String, BigDecimal> getTMAmountSum(String start,
                                           String end,
                                           int limit);
}

/*

Map(tm->amount, tm->amount, )

 */
